pointerevent_lostpointercapture_for_disconnected_node.html

<!doctype html>
<html>
    <head>
        <title>Lostpointercapture fires on document when target is removed</title>
        <meta name="viewport" content="width=device-width">
        <link rel="stylesheet" type="text/css" href="pointerevent_styles.css">
        <script src="/resources/testharness.js"></script>
        <script src="/resources/testharnessreport.js"></script>
        <script src="/resources/testdriver.js"></script>
        <script src="/resources/testdriver-actions.js"></script>
        <script src="/resources/testdriver-vendor.js"></script>
        <script src="pointerevent_support.js"></script>
    </head>
    <body>
        <h1>Pointer Events - lostpointercapture when capturing element is removed</h1>
        <div id="target0"></div>
        <br>
        <input type="button" id="btnCapture" value="Set Capture">
        <script type='text/javascript'>
            var isDisconnected = false;
            var lostPointerCapture = false;
            var count = 0;
            var event_log = [];
            var recieved_before_lostcapture = [];

            var detected_pointertypes = {};
            add_completion_callback(end_of_test);
            function end_of_test() {
                showLoggedEvents();
                showPointerTypes();
            }

            var target0 = document.getElementById('target0');
            var captureButton = document.getElementById('btnCapture');

            var test_lostpointercapture = async_test("lostpointercapture event received");

            window.onload = function() {
                var actions_promise;

                const POINTER_EVENT_TYPES = ['pointerover', 'pointerenter', 'pointerdown', 'pointermove', 'pointerup', 'pointercancel', 'pointerout', 'pointerleave'];
                // Add listeners to target0 explicitly as it is removed from the DOM.
                for (let target of [document.body, target0]) {
                  for (let eventType of POINTER_EVENT_TYPES) {
                    target.addEventListener(eventType, (evt) => {
                      // Prevent double-reporting events dispatched to target0.
                      if (target == document.body && evt.target == target0) {
                        return;
                      }
                      const ident = evt.target.id || evt.target.tagName;
                      event_log.push(`${evt.type}@${ident}`);
                      if (isDisconnected && !lostPointerCapture) {
                        recieved_before_lostcapture.push(`${evt.type}@${ident}`);
                      }
                    });
                  }
                }

                on_event(captureButton, 'pointerdown', function(event) {
                    detected_pointertypes[event.pointerType] = true;
                    target0.setPointerCapture(event.pointerId);
                });

                on_event(target0, 'gotpointercapture', function(e) {
                    lostPointerCapture = false;
                    event_log.push('gotpointercapture@target0');
                    isDisconnected = true;
                    received_events = [];
                    target0.parentNode.removeChild(target0);
                    test(function() {
                      assert_true(!lostPointerCapture, "lostpointercapture must not be fired synchronously with DOM removal");
                    });
                });



                on_event(target0, 'lostpointercapture', function(e) {
                    event_log.push('lostpointercapture@target0');
                    lostPointerCapture = true;
                    test(function() {
                        // TA: 11.3
                        assert_unreached("lostpointercapture must be fired on the document, not the capturing element");
                    }, "lostpointercapture must not be dispatched on the disconnected node");
                });

                on_event(document, 'lostpointercapture', function(e) {
                    lostPointerCapture = true;
                    test(function() {
                        assert_equals(recieved_before_lostcapture.join(", "), "", "No pointerevents should be received before lost capture is resolved");
                    }, "lostpointercapture must be received before the next pointerevent after the node is disconnected");
                    event_log.push('lostpointercapture@document');
                    test(function() {
                        // TA: 11.3
                        assert_true(isDisconnected, "lostpointercapture must be fired on the document");
                    }, "lostpointercapture is dispatched on the document");

                    actions_promise.then( () => {
                      test_lostpointercapture.done();
                    });
                });

                // Inject mouse inputs.
                actions_promise = new test_driver.Actions()
                    .pointerMove(0, 0, {origin: captureButton})
                    .pointerDown()
                    .pointerMove(2, 0, {origin: captureButton})
                    .pointerMove(5, 0, {origin: captureButton})
                    .pointerMove(8, 0, {origin: captureButton})
                    .pointerMove(10, 0, {origin: captureButton})
                    .send();
            }
        </script>
        <h1>Pointer Events Capture Test</h1>
        <div id="complete-notice">
            <p>The following pointer types were detected: <span id="pointertype-log"></span>.</p>
            <p>The following events were logged: <span id="event-log"></span>.</p>
        </div>
        <div id="log"></div>
    </body>
</html>
chromium/third_party/blink/web_tests/external/wpt/pointerevents/pointerevent_lostpointercapture_for_disconnected_node.html
